Recent content by Basspro905

Thanks for the reply Steve. AllparForums: Testing o2 sensors with a dvm - Minivans · Pacifica - Allpar, the Chrysler Car Community I found this post and thinking of performing this test. What O2 sensor is the one faulting, is it the one before the cat on the drivers side ? What color wire is...

Looking for advice as I clear this code and it will come back after a month or so on my v6 2005 runner. P0420 $07E8 1/1 Catalyst System Efficiency Below Threshold Bank 1 From what I have read there are several O2 sensors. I believe 4? Two before the two cats (Canadian vehicle) and two...